Biofuels: Growing option?

JAMM AQUINO / JAQUINO@STARADVERTISER.COM

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An Australian Navy Seahawk landed to refuel with biofuel aboard the USS Nimitz aircraft carrier off Oahu during RIMPAC exercises last month. The U.S. Navy's part-biofueled "Great Green Fleet" got a crucial test run during the recent war games, even as Congress debated biofuels' cost-efficiency.